Home / 4,084.32-5,636.28-2,315.88

Finding the Fourth Proportional to 4,084.32, 5,636.28 and 2,315.88

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Solution

The fourth proportional to 4,084.32, 5,636.28 and 2,315.88 is: 3,195.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,084.32 : 5,636.28 = 2,315.88 : x
  2. Step 2: Convert to fraction form
    4,084.32/5,636.28 = 2,315.88/x
  3. Step 3: Cross multiply
    4,084.32x = 5,636.28 × 2,315.88
  4. Step 4: Simplify right side
    4,084.32x = 13,052,948.13
  5. Step 5: Solve for x
    x = 13,052,948.13/4,084.32
  6. Step 6: Final answer
    x = 3,195.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.